From 27e11b20b06f2f2dbfb56c0998a63169b4b8abc4 Mon Sep 17 00:00:00 2001
From: Joris
Date: Wed, 8 Nov 2017 23:47:26 +0100
Subject: Use a better project structure

---
 server/src/Controller/SignIn.hs | 47 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 server/src/Controller/SignIn.hs

(limited to 'server/src/Controller/SignIn.hs')

diff --git a/server/src/Controller/SignIn.hs b/server/src/Controller/SignIn.hs
new file mode 100644
index 0000000..0086fa5
--- /dev/null
+++ b/server/src/Controller/SignIn.hs
@@ -0,0 +1,47 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Controller.SignIn
+  ( signIn
+  ) where
+
+import Control.Monad.IO.Class (liftIO)
+import Network.HTTP.Types.Status (ok200, badRequest400)
+import qualified Data.Text as T
+import qualified Data.Text.Encoding as TE
+import qualified Data.Text.Lazy as TL
+import Web.Scotty
+
+import qualified Common.Message as Message
+import qualified Common.Message.Key as Key
+import Common.Model (SignIn(..))
+
+import Conf (Conf)
+import qualified Conf
+import qualified Model.Query as Query
+import qualified Model.SignIn as SignIn
+import qualified Model.User as User
+import qualified SendMail
+import qualified Text.Email.Validate as Email
+import qualified View.Mail.SignIn as SignIn
+
+signIn :: Conf -> SignIn -> ActionM ()
+signIn conf (SignIn email) =
+  if Email.isValid (TE.encodeUtf8 email)
+    then do
+      maybeUser <- liftIO . Query.run $ User.get email
+      case maybeUser of
+        Just user -> do
+          token <- liftIO . Query.run $ SignIn.createSignInToken email
+          let url = T.concat [
+                      if Conf.https conf then "https://" else "http://",
+                      Conf.hostname conf,
+                      "?signInToken=",
+                      token
+                    ]
+          maybeSentMail <- liftIO . SendMail.sendMail $ SignIn.mail conf user url [email]
+          case maybeSentMail of
+            Right _ -> textKey ok200 Key.SignIn_EmailSent
+            Left _ -> textKey badRequest400 Key.SignIn_EmailSendFail
+        Nothing -> textKey badRequest400 Key.Secure_Unauthorized
+    else textKey badRequest400 Key.SignIn_EmailInvalid
+  where textKey st key = status st >> (text . TL.fromStrict $ Message.get key)
-- 
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